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Kumar, S., Singh, R., Singh, A.P. and Wei, Y. 
ORCID: 0000-0001-6195-8595,
2023.
On 3D printing of thermoplastic polyurethane over woven fabric for wearable sensors.
Advances in Materials and Processing Technologies.
ISSN 2374-068X
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1822293_Wei.pdf - Post-print Full-text access embargoed until 14 October 2024. Download (673kB) |
Abstract
In the past two decades several studies have been reported on thermoplastic-based 3D printed sensors. However, little has been reported on wearable sensors prepared by thermoplastic printing on woven fabric, especially for four-dimensional (4D) properties. This study reports the 3D printing of thermoplastic polyurethane (TPU) on woven fabric by using a fused filament fabrication (FFF) setup for the fabrication of wearable sensors. Further, rheological, mechanical, voltage resistance (V-R), radio frequency (RF), and 4D capabilities of the 3D printed substrate have been established. The 3D printing of TPU on woven fabric was performed at 225°C nozzle temperature with a printing speed of 21 mm/s, and infill density was kept at 80% and 100%. The RF characteristics were calculated using a vector network analyser (VNA) which suggests that there is no shift in resonating frequency (2.60 GHz at −81 dB) for ring resonator printed with 100% infill density (with an increase in strain value), whereas for 80% infill density sensor there was a notable shift in resonating frequency (from 2.82 GHz at −75 dB to 2.71 GHz at −76 dB) when the sensor was strained under load which further lead to a change in dielectric constant (εr) and loss tangent (tanδ).
| Item Type: | Journal article | ||||||
|---|---|---|---|---|---|---|---|
| Publication Title: | Advances in Materials and Processing Technologies | ||||||
| Creators: | Kumar, S., Singh, R., Singh, A.P. and Wei, Y. | ||||||
| Publisher: | Informa UK Limited | ||||||
| Date: | 14 October 2023 | ||||||
| ISSN: | 2374-068X | ||||||
| Identifiers: |
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| Rights: | This is an Accepted Manuscript of an article published by Taylor & Francis in Advances in Materials and Processing Technologies on 14.10.2023, available online: http://www.tandfonline.com/10.1080/2374068X.2023.2269667 | ||||||
| Divisions: | Schools > School of Science and Technology | ||||||
| Record created by: | Jeremy Silvester | ||||||
| Date Added: | 27 Oct 2023 08:19 | ||||||
| Last Modified: | 27 Oct 2023 08:19 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/50128 |
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